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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /698/CH14/EX14.17 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '698/CH14/EX14.17')
| -rw-r--r-- | 698/CH14/EX14.17/17_cone_clutch_under_uniform_pressure.txt | 3 | ||||
| -rw-r--r-- | 698/CH14/EX14.17/P17_cone_clutch_under_uniform_pressure.sce | 57 |
2 files changed, 60 insertions, 0 deletions
diff --git a/698/CH14/EX14.17/17_cone_clutch_under_uniform_pressure.txt b/698/CH14/EX14.17/17_cone_clutch_under_uniform_pressure.txt new file mode 100644 index 000000000..f534b086d --- /dev/null +++ b/698/CH14/EX14.17/17_cone_clutch_under_uniform_pressure.txt @@ -0,0 +1,3 @@ +(a)Axial force F required to transmit the torque is 563.04 N
+(b)Axial force required to engage the clutch, enagagement taking place when clutch is not rotating, is 1591.26 N
+(c)Average normal pressure when maximum torque is being transmitted is 74.06 kN/m^2
diff --git a/698/CH14/EX14.17/P17_cone_clutch_under_uniform_pressure.sce b/698/CH14/EX14.17/P17_cone_clutch_under_uniform_pressure.sce new file mode 100644 index 000000000..eff120d63 --- /dev/null +++ b/698/CH14/EX14.17/P17_cone_clutch_under_uniform_pressure.sce @@ -0,0 +1,57 @@ +clc
+//Exercise 14.17
+//same clutch as previous problem, assuming uniform pressure theory
+
+//------------------------------------------------------------------------------
+//Given Data:
+//Torque
+T=200//Nm
+//Speed
+N=1250//rev/min
+//Large diameter
+Do=0.35//m
+Ro=Do/2
+//Face width
+b=0.065//m
+//coefficient of friction
+f=0.2
+//cone pitch angle
+alpha=6.25//degrees
+//converting alpha in degrees to radians
+alpha=(alpha*%pi)/180
+
+//------------------------------------------------------------------------------
+//mean radius
+Rm=Ro-((1/2)*b*sin (alpha))
+Rm=floor(Rm*(10^3))
+Rm=Rm*(10^-3)
+//Rm=(Ro+Ri)/2
+//smaller radius
+Ri=(2*Rm)-Ro
+Ri=floor(Ri*(10^3))
+Ri=Ri*(10^-3)
+
+//Axial force reqiured to transmit the torque
+//t=F*f*((Ro^3-Ri^3)/(3*Rm*b*(sin (alpha))^2))
+F=T/(f*((Ro^3-Ri^3)/(3*Rm*b*(sin (alpha))^2)))
+
+//Axial force required to engage the clutch when clutch is not rotating
+//Fe=Fn((sin alpha)+(f*cos alpha))
+Fn=F/sin(alpha)
+Fe=Fn*((sin (alpha))+(f*cos (alpha)))
+
+//average normal pressure when maximum torque is being transmitted
+//Fn=p*2*%pi*Rm*b
+p=Fn/(2*%pi*Rm*b)
+
+//------------------------------------------------------------------------------
+//Printing file to .txt
+res17=mopen(TMPDIR+'17_cone_clutch_under_uniform_pressure.txt','wt')
+mfprintf(res17,"(a)Axial force F required to transmit the torque is %0.2f N\n",F)
+mfprintf(res17,"(b)Axial force required to engage the clutch, enagagement taking place when clutch is not rotating, is %0.2f N\n",Fe)
+mfprintf(res17,"(c)Average normal pressure when maximum torque is being transmitted is %0.2f kN/m^2\n",p*(10^-3))
+mclose(res17)
+editor(TMPDIR+'17_cone_clutch_under_uniform_pressure.txt')
+
+//------------------------------------------------------------------------------
+//------------------------------End of program----------------------------------
\ No newline at end of file |